Pontiac, MI Weather & Growing Conditions
Overnight
60°F
Mostly Cloudy
Mostly cloudy. Low around 60, with temperatures rising to around 62 overnight. South southeast wind around 9 mph, with gusts as high as 18 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 60°F | Mostly Cloudy | 9 mph SSE | 5% |
| Wednesday | 66°F | Light Rain | 10 to 15 mph S | 99% |
| Wednesday Night | 50°F | Light Rain Likely then Mostly Cloudy | 8 to 13 mph SSW | 58% |
| Thursday | 58°F | Mostly Cloudy | 9 to 14 mph SW | 5% |
| Thursday Night | 43°F | Chance Light Rain | 3 to 8 mph W | 50% |
| Friday | 52°F | Light Rain Likely | 3 to 9 mph NW | 60% |
| Friday Night | 36°F | Chance Light Rain | 9 mph NNW | 54% |
| Saturday | 49°F | Slight Chance Light Rain then Partly Sunny | 8 to 13 mph NW | 22% |
| Saturday Night | 32°F | Partly Cloudy | 6 mph WNW | 3% |
| Sunday | 54°F | Mostly Sunny | 7 to 12 mph W | 5% |
| Sunday Night | 34°F | Partly Cloudy | 7 to 10 mph W | 5% |
| Monday | 56°F | Mostly Sunny | 6 to 10 mph W | 2% |
| Monday Night | 38°F | Partly Cloudy | 9 mph WSW | 3% |
| Tuesday | 59°F | Mostly Sunny then Slight Chance Light Rain | 12 mph W | 15% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Pontiac, MI
Last spring frost
Apr 26
First fall frost
Oct 22
Growing season
177 days
Hardiness zone
6a
Explore more for Pontiac, MI: full frost dates · planting calendar · Michigan frost dates
Climate data from the nearest NOAA station, Pontiac Wwtp, Mi (1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.